Circus Smirkus is a non-profit, award-winning, international youth circus founded in 1987 by Rob Mermin. Based in Greensboro, Vermont, the mission of Circus Smirkus is to promote the skills, culture and traditions of the traveling circus and to inspire youth to engage in the circus arts.

Greensboro is the southernmost town in Orleans County, Vermont, United States. The population was 811 at the 2020 census. The town includes the places of Campbells Corners, East Greensboro, Gebbie Corner, Greensboro Four Corners, Greensboro Bend, Tolman(s) Corner, and Burlington Point. Greensboro Bend and the central village of Greensboro are classified as census-designated places.